US20150017605A1 - Dental implant with high combining stability - Google Patents
Dental implant with high combining stability Download PDFInfo
- Publication number
- US20150017605A1 US20150017605A1 US13/941,662 US201313941662A US2015017605A1 US 20150017605 A1 US20150017605 A1 US 20150017605A1 US 201313941662 A US201313941662 A US 201313941662A US 2015017605 A1 US2015017605 A1 US 2015017605A1
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- US
- United States
- Prior art keywords
- section
- shank
- dental implant
- shank diameter
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
- A61C8/0022—Self-screwing
- A61C8/0025—Self-screwing with multiple threads
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
- A61C8/0037—Details of the shape
- A61C8/0045—Details of the shape with a stepped body
Abstract
A dental implant comprises a shank and a threaded section spirally disposed on the shank. The shank includes a first section extending from a first end toward a second end of the shank and a second section connecting the first section and extending to the second end. A shank diameter of a connecting part where the first and the second sections are connected is smaller than that of the second section, whereby the subject configuration increases an implant-fastening feel of dentists and an initial implanting stability efficiently while implanting the dental implant into an alveolar bone. When the dental implant is enclosed by a growth of the bone, the second section is firmly fixed by the bone to prevent the dental implant from loosening due to an inverse torque derived from the mastication and allow it to be firmly embedded in the bone to increase the combining stability.
Description
- 1. Field of the Invention
- The present invention relates to a dental implant, particular to a dental implant with high combining stability for being implanted into the alveolar bone of the human body.
- 2. Description of the Related Art
- Referring to
FIG. 1 , a conventional dental implant includes ashank 11 and a threadedportion 12 spirally disposed on theshank 11. Wherein, afirst end 111 and asecond end 112 opposite to thefirst end 111 are respectively defined on two sides of theshank 11. Aslot 1111 is formed on thefirst end 111 to allow an abutment (not shown) to install and fix thereon. Thesecond end 112 is formed into an arch shape. Further, the shank diameter of theshank 11 is gradually decreased from thefirst end 111 to thesecond end 112. In an implanting operation, the dental implant 1 is firstly put into a bore pre-drilled on an alveolar bone. Then, thesecond end 112 is applied to separate the gums and nerves in the vicinity of the alveolar bone, and the threadedportion 12 is applied to drill into the alveolar bone, thereby fixing the dental implant 1 onto the alveolar bone. - However, some problems still exist in the conventional design. Due to the taper-shaped shank and the pre-drilled bore on the alveolar bone, the wall of the bore and the threaded
portion 12 at the front and middle parts of theshank 11 are not well contacted, which leads to a poor feel of fastening the dental implant of the dentist and a poor stability of the initial implanting status. In addition, outer forces such as linear forces and torques imparting to the teeth in the oral cavity are defined according to change of the mastication direction. In other words, the torque derived from the mastication keeps affecting the teeth, which causes the dental implant 1 to generate an inverse rotation opposite to the drilling direction of the dental implant 1 easily. When the dental implant 1 is inversely rotated, the taper-shaped shank renders the alveolar bone unable to resist the inverse rotation of dental implant 1. Thus, the dental implant 1 may be withdrawn from the alveolar bone along an opposite direction, loosened, and even dropped off, which still requires improvements. - The object of the present invention is to provide a dental implant with high combining stability, which increases the feel of fastening the implant of the dentist and the initial implanting stability efficiently and fixes the dental implant onto the alveolar bone firmly for enhancing the combining stability.
- The dental implant with high combining stability in accordance with the present invention comprises a shank and a threaded section spirally disposed on the shank. The shank has a first end and a second end opposite to the first end. The shank further includes a first section extending from the first end toward the second end and a second section connecting the first section and extending to the second end. A connecting part where the first section and the second section are connected has a shank diameter smaller than a shank diameter of the second section. Accordingly, by having the second section with a larger shank diameter greater than that of the connecting part, the threaded section on the second section can be densely combined with and embedded into a wall of a pre-drilled bore of an alveolar bone during the entire implanting operation, whereby when the dental implant is driven to be implanted into the alveolar bone, the implant-fastening feel of the dentist is largely increased and satisfied, and the stability of the initial implanting is efficiently increased. When the dental implant is further enclosed by a growth of the alveolar bone, the second section is still densely fixed by the alveolar bone during the mastication even though an inverse torque causing the dental implant to be oppositely withdrawn is generated. Therefore, the present invention allows the dental implant to be firmly embedded in the alveolar bone, thereby increasing a combining stability.
- Preferably, a third section having a plurality of small threads spirally disposed thereon is disposed between the first end and the first section.
- Preferably, a maximum shank diameter of the third section are connected is larger than a shank diameter of a join part where the third section and the first section are connected.
- Preferably, the first section includes a first portion with a gradual-enlarging shank diameter and a second portion with a gradual-contracting shank diameter disposed between the first portion and the second section. The first portion may be connected to the third section. A shank diameter of a junction part where the first portion and the second portion are connected is larger than shank diameters of the first portion and the second portion.
- Preferably, a shank diameter of the first section is gradually decreased toward a direction of the second section.
- Preferably, a shank diameter of the second section is gradually increased toward a direction of the second end.
- The advantages of the present invention over the known prior arts will become more apparent upon reading the following descriptions in junction with the accompanying drawings.
-
FIG. 1 is a schematic view showing a conventional dental implant; -
FIG. 2 is a schematic view showing a variation of a first preferred embodiment of the present invention; -
FIG. 3 is a schematic view showing a further variation of the first preferred embodiment of the present invention; -
FIG. 4 is a schematic view showing an operation of the first preferred embodiment of the present invention; and -
FIG. 5 is a schematic view showing a second preferred embodiment of the present invention. - Referring to
FIG. 2 shows a first preferred embodiment of adental implant 3 with high combining stability of the present invention. Thedental implant 3 comprises ashank 31 and a threadedsection 32 spirally disposed on theshank 31. Wherein, afirst end 311 and asecond end 312 opposite to thefirst end 311 are respectively formed at two sides of theshank 31. Theshank 31 further includes afirst section 313 extending from thefirst end 311 toward thesecond end 312 and asecond section 314 connecting thefirst section 313 and extending to thesecond end 312. Thefirst section 313 and thesecond section 314 are connected at a connectingpart 315, and ashank diameter 315 d of the connectingpart 315 is smaller than ashank diameter 314 d of thesecond section 314. In this preferred embodiment, ashank diameter 313 d of thefirst section 313 is gradually decreased toward a direction of thesecond section 314, and ashank diameter 314 d of thesecond section 314 is gradually increased toward a direction of thesecond end 312. Further, in this preferred embodiment, aslot 3111 is preferably recessed into thefirst end 311 so that an abutment (not shown) is able to be fixed and installed onto theslot 3111. Thesecond end 312 can be formed into an arch shape as illustrated to decrease injuries to the nerves and gums in the pursuance of the implanting operation. Alternatively, theshank 31 can further comprise athird section 316 disposed between thefirst end 311 and thefirst section 313 as shown inFIG. 3 , and a plurality ofsmall threads 3161, preferably with the pitch and thread diameter smaller than those of the threadedsection 32, are spirally disposed on thethird section 316. Also, thethird section 316 and thefirst section 313 are connected at ajoin part 317, and a maximum shank diameter 316 d of thethird section 316 is preferably larger than ashank diameter 317 d of thejoin part 317. In this preferred embodiment, the configuration without thethird section 316 as shown inFIG. 2 is herein adopted as an example in the following description related to the operation. - Referring to
FIG. 2 andFIG. 4 , in an implanting operation, a bore (not shown) is initially formed on analveolar bone 4. By means of theshank diameter 314 d of thesecond section 314 larger than theshank diameter 315 d of the connectingpart 315, the threadedsection 32 of thesecond section 314 can be driven to densely contact with and embed into an wall of the bore during the entire drilling action, which not only provides an increase of the feel of fastening the dental implant for the dentist but facilitates an increase of the initial implanting stability when the threadedsection 32 of thedental implant 3 is firmly positioned onto the bore wall of thealveolar bone 4 of the human body. When thealveolar bone 4 grows for a period of time, thedental implant 3 will be enclosed or wrapped by thealveolar bone 4. In this manner, thealveolar bone 4 is still densely combined with thedental implant 3 by using thesecond section 314 with the largershank diameter 314 d which firmly and densely meets the bore wall and using the connectingpart 315 with thesmaller shank diameter 315 d which thus forms a concave space between thefirst section 313 and thesecond section 314 to allow the rebornalveolar bone 4 to fill the space, thereby thedental implant 3 can be naturally wedged into thealveolar bone 4. Even though an inverse torque is generated during the mastication, thealveolar bone 4 subjects thesecond section 314 to a fixing resistance in order to prevent thedental implant 3 from being withdrawn and dropped off from thealveolar bone 4. Therefore, thedental implant 3 can be firmly positioned onto thealveolar bone 4, thereby increasing the steadiness of combination and attaining a high combining stability. - Referring to
FIG. 5 shows a second preferred embodiment of adental implant 3 with high combining stability of the present invention. Thedental implant 3 still comprises the same concatenation of correlated elements as that of the first preferred embodiment. Differently, this preferred embodiment is described by having athird section 316 disposed between thefirst end 311 and thefirst section 313, characterized in that thefirst section 313 further includes afirst portion 3131 with a gradual-enlarging shank diameter 3131 d connected to thethird section 316 and asecond portion 3132 with a gradual-contracting shank diameter 3132 d disposed between thefirst portion 3131 and thesecond section 314. Thefirst portion 3131 and thesecond portion 3132 are connected at ajunction part 3133, and ashank diameter 3133 d of thejunction part 3133 is larger thanshank diameters 3131 d, 3132 d of thefirst portion 3131 and thesecond portion 3132. Accordingly, when thedental implant 3 is surrounded by the rebornalveolar bone 4, not only thesecond section 314 but thefirst portion 3131 can be densely and firmly positioned onto thealveolar bone 4, thereby preventing thedental implant 3 from loosening efficiently, fixing thedental implant 3 onto thealveolar bone 4, and increasing the combining stability efficiently. - To sum up, the present invention takes advantage of the second section of the shank which has a shank diameter larger than a shank diameter of the connecting part where the first and the second sections are connected to increase an implant-fastening feel of the dentist and enhance an initial implanting stability. When the alveolar bone is reborn to cover the dental implant, the alveolar bone provides the second section with a dense fixing force to prevent the dental implant from loosening due to the inverse torque derived from the mastication and allow the second section to be firmly and densely wedged into the alveolar bone. Therefore, the present invention increases the steadiness of the combination between the dental implant and the alveolar bone and attains a high combining stability.
- While we have shown and described the embodiment in accordance with the present invention, it should be clear to those skilled in the art that various modifications may be made in further embodiments described without departing from the spirit and scope of the invention.
Claims (8)
1. A dental implant with high combining stability comprising a shank and a threaded section spirally disposed on said shank, wherein a first end and a second end opposite to said first end are respectively formed at two sides of said shank;
wherein said shank includes a first section extending from said first end toward said second end and a second section connecting said first section and extending to said second end, said first section and said second section being connected at a connecting part, and a shank diameter of said connecting part being smaller than a shank diameter of said second section.
2. The dental implant as claimed in claim 1 , wherein a third section is disposed between said first end and said first section, and a plurality of small threads are spirally disposed on said third section.
3. The dental implant as claimed in claim 2 , wherein said third section and said first section is connected at a join part, and a maximum shank diameter of said third section is larger than a shank diameter of said join part.
4. The dental implant as claimed in claim 1 , wherein said first section includes a first portion with a gradual-enlarging shank diameter and a second portion with a gradual-contracting shank diameter disposed between said first portion and said second section, said first portion and said second portion being connected at a junction part, a shank diameter of said junction part being larger than shank diameters of said first portion and said second portion.
5. The dental implant as claimed in claim 2 , wherein said first section includes a first portion with a gradual-enlarging shank diameter connected to said third section and a second portion with a gradual-contracting shank diameter disposed between said first portion and said second section, said first portion and said second portion being connected at a junction part, a shank diameter of said junction part being larger than shank diameters of said first portion and said second portion.
6. The dental implant as claimed in claim 3 , wherein said first section includes a first portion with a gradual-enlarging shank diameter connected to said third section and a second portion with a gradual-contracting shank diameter disposed between said first portion and said second section, said first portion and said second portion being connected at a junction part, a shank diameter of said junction part being larger than shank diameters of said first portion and said second portion.
7. The dental implant as claimed in claim 1 , wherein a shank diameter of said first section is gradually decreased toward a direction of said second section.
8. The dental implant as claimed in claim 1 , wherein a shank diameter of said second section is gradually increased toward a direction of said second end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/941,662 US20150017605A1 (en) | 2013-07-15 | 2013-07-15 | Dental implant with high combining stability |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US13/941,662 US20150017605A1 (en) | 2013-07-15 | 2013-07-15 | Dental implant with high combining stability |
Publications (1)
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US20150017605A1 true US20150017605A1 (en) | 2015-01-15 |
Family
ID=52277363
Family Applications (1)
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US13/941,662 Abandoned US20150017605A1 (en) | 2013-07-15 | 2013-07-15 | Dental implant with high combining stability |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017216693A3 (en) * | 2016-06-14 | 2018-02-01 | Southern Implants (Pty) Ltd | Dental implant having reverse-tapered main body for anterior post-extraction sockets |
EP3323378A1 (en) * | 2016-11-21 | 2018-05-23 | Taiwan Shan Yin International Co., Ltd. | Root implant |
EP3656347A1 (en) * | 2018-11-20 | 2020-05-27 | Matthias Karl GmbH | Dental implant |
US10939982B2 (en) * | 2017-06-19 | 2021-03-09 | Advan S.r.l. | Intraosseous dental implant |
EP3912590A1 (en) | 2020-05-19 | 2021-11-24 | Matthias Karl GmbH | Dental implant made of a metal or a metal alloy |
Citations (12)
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---|---|---|---|---|
US3708883A (en) * | 1971-01-04 | 1973-01-09 | S Flander | Dental implant and method for using the same |
US4613308A (en) * | 1984-06-06 | 1986-09-23 | Feldmuhle Aktiengesellschaft | Jaw implant having an aperture to receive a replacement-tooth holder |
US5219287A (en) * | 1991-05-23 | 1993-06-15 | Katsunari Nishihara | Artificial dental root having function of natural dental root |
US5324199A (en) * | 1990-05-25 | 1994-06-28 | Medevelop Ab | Fixture for anchoring in bone tissue |
US5489210A (en) * | 1994-05-13 | 1996-02-06 | Hanosh; Frederick N. | Expanding dental implant and method for its use |
US5588838A (en) * | 1992-10-28 | 1996-12-31 | Astra Aktiebolag | Fixture for use in a dental implant system |
US5601429A (en) * | 1995-08-11 | 1997-02-11 | Blacklock; Gordon D. | Dental implant anchor |
US5628630A (en) * | 1994-12-15 | 1997-05-13 | Univ. Of Alabama At Birmingham | Design process for skeletal implants to optimize cellular response |
US6213775B1 (en) * | 1997-01-07 | 2001-04-10 | Reipur Technology A/S | Method of fastening an implant to a bone and an implant therefor |
US6537070B1 (en) * | 1997-07-02 | 2003-03-25 | Osteogen L.L.C. | Combination distraction dental implant and method of use |
US20110027755A1 (en) * | 2007-03-02 | 2011-02-03 | Gerard Scortecci | Dental implant for lateral insertion |
US8523568B2 (en) * | 2009-02-24 | 2013-09-03 | Neobiotech Co., Ltd. | Dental implant |
-
2013
- 2013-07-15 US US13/941,662 patent/US20150017605A1/en not_active Abandoned
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3708883A (en) * | 1971-01-04 | 1973-01-09 | S Flander | Dental implant and method for using the same |
US4613308A (en) * | 1984-06-06 | 1986-09-23 | Feldmuhle Aktiengesellschaft | Jaw implant having an aperture to receive a replacement-tooth holder |
US5324199A (en) * | 1990-05-25 | 1994-06-28 | Medevelop Ab | Fixture for anchoring in bone tissue |
US5219287A (en) * | 1991-05-23 | 1993-06-15 | Katsunari Nishihara | Artificial dental root having function of natural dental root |
US5588838A (en) * | 1992-10-28 | 1996-12-31 | Astra Aktiebolag | Fixture for use in a dental implant system |
US5489210A (en) * | 1994-05-13 | 1996-02-06 | Hanosh; Frederick N. | Expanding dental implant and method for its use |
US5628630A (en) * | 1994-12-15 | 1997-05-13 | Univ. Of Alabama At Birmingham | Design process for skeletal implants to optimize cellular response |
US5601429A (en) * | 1995-08-11 | 1997-02-11 | Blacklock; Gordon D. | Dental implant anchor |
US6213775B1 (en) * | 1997-01-07 | 2001-04-10 | Reipur Technology A/S | Method of fastening an implant to a bone and an implant therefor |
US6537070B1 (en) * | 1997-07-02 | 2003-03-25 | Osteogen L.L.C. | Combination distraction dental implant and method of use |
US20110027755A1 (en) * | 2007-03-02 | 2011-02-03 | Gerard Scortecci | Dental implant for lateral insertion |
US8523568B2 (en) * | 2009-02-24 | 2013-09-03 | Neobiotech Co., Ltd. | Dental implant |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017216693A3 (en) * | 2016-06-14 | 2018-02-01 | Southern Implants (Pty) Ltd | Dental implant having reverse-tapered main body for anterior post-extraction sockets |
US10617492B2 (en) | 2016-06-14 | 2020-04-14 | Southern Implants (Pty) Ltd | Dental implant having reverse-tapered main body for anterior post-extraction sockets |
EP4035621A1 (en) * | 2016-06-14 | 2022-08-03 | Southern Implants (Pty) Ltd. | Dental implant having reverse-tapered main body for anterior post-extraction sockets |
US11523883B2 (en) | 2016-06-14 | 2022-12-13 | Southern Implants (Pty) Ltd | Dental implant having reverse-tapered main body for anterior post-extraction sockets |
JP2023014093A (en) * | 2016-06-14 | 2023-01-26 | サザン・インプランツ・(ピーティーワイ)・リミテッド | Dental implant having reverse-tapered main body for anterior post-extraction sockets |
JP7318091B2 (en) | 2016-06-14 | 2023-07-31 | サザン・インプランツ・(ピーティーワイ)・リミテッド | Dental implant with reverse tapered body for socket after frontal extraction |
EP3323378A1 (en) * | 2016-11-21 | 2018-05-23 | Taiwan Shan Yin International Co., Ltd. | Root implant |
US10939982B2 (en) * | 2017-06-19 | 2021-03-09 | Advan S.r.l. | Intraosseous dental implant |
EP3656347A1 (en) * | 2018-11-20 | 2020-05-27 | Matthias Karl GmbH | Dental implant |
EP3912590A1 (en) | 2020-05-19 | 2021-11-24 | Matthias Karl GmbH | Dental implant made of a metal or a metal alloy |
WO2021233859A1 (en) | 2020-05-19 | 2021-11-25 | Matthias Karl GmbH | Dental implant made of a metal or a metal alloy |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: TAIWAN SHAN YIN INT'L CO., LTD., TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SU, KOU-TSAIR;SU, YU-JUNG;REEL/FRAME:030864/0273 Effective date: 20130711 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |